Quarter	Percent, Seasonally adjusted
1976-03-31	28.4
1976-06-30	2.9
1976-09-30	7.9
1976-12-31	18
1977-03-31	29.9
1977-06-30	28.1
1977-09-30	22.3
1977-12-31	22.8
1978-03-31	13.8
1978-06-30	16.8
1978-09-30	28.2
1978-12-31	24.3
1979-03-31	28.3
1979-06-30	31.1
1979-09-30	31.2
1979-12-31	37.9
1980-03-31	39.4
1980-06-30	34.6
1980-09-30	31.3
1980-12-31	25.1
1981-03-31	22
1981-06-30	27
1981-09-30	27.3
1981-12-31	25.5
1982-03-31	31.1
1982-06-30	29.6
1982-09-30	27
1982-12-31	22.1
1983-03-31	17.1
1983-06-30	21.1
1983-09-30	22.3
1983-12-31	19.6
1984-03-31	13.2
1984-06-30	8.6
1984-09-30	13.1
1984-12-31	13
1985-03-31	15.9
1985-06-30	20.7
1985-09-30	20.6
1985-12-31	23.1
1986-03-31	16.8
1986-06-30	17.1
1986-09-30	13.8
1986-12-31	8.6
1987-03-31	14.1
1987-06-30	13.2
1987-09-30	13.4
1987-12-31	22.8
1988-03-31	18.3
1988-06-30	25.1
1988-09-30	36.3
1988-12-31	29.3
1989-03-31	30.4
1989-06-30	26.5
1989-09-30	25.7
1989-12-31	25.7
1990-03-31	21.2
1990-06-30	15.5
1990-09-30	12.1
1990-12-31	11.6
1991-03-31	8.2
1991-06-30	4.8
1991-09-30	1.4
1991-12-31	-0.9
1992-03-31	-0.4
1992-06-30	3.1
1992-09-30	-0.5
1992-12-31	-2.2
1993-03-31	-1.7
1993-06-30	-4.1
1993-09-30	-0.4
1993-12-31	-0.3
1994-03-31	-2.4
1994-06-30	0.3
1994-09-30	1.9
1994-12-31	2.4
1995-03-31	4.6
1995-06-30	4.8
1995-09-30	5
1995-12-31	5.9
1996-03-31	4.8
1996-06-30	4.7
1996-09-30	5.5
1996-12-31	2.1
1997-03-31	4.8
1997-06-30	3.7
1997-09-30	-0.2
1997-12-31	3
1998-03-31	4.9
1998-06-30	7.5
1998-09-30	6.9
1998-12-31	4.7
1999-03-31	7.6
1999-06-30	8.9
1999-09-30	9
1999-12-31	12.5
2000-03-31	15.4
2000-06-30	16.1
2000-09-30	17.1
2000-12-31	14.8
2001-03-31	11.2
2001-06-30	9.2
2001-09-30	8.4
2001-12-31	11.7
2002-03-31	11.2
2002-06-30	10.5
2002-09-30	13.2
2002-12-31	13.8
2003-03-31	10.8
2003-06-30	10.7
2003-09-30	12.3
2003-12-31	11.7
2004-03-31	10.5
2004-06-30	12
2004-09-30	14.8
2004-12-31	8.8
2005-03-31	10
2005-06-30	18.9
2005-09-30	16.1
2005-12-31	15.3
2006-03-31	18.7
2006-06-30	15.9
2006-09-30	14.1
2006-12-31	17.1
2007-03-31	15.8
2007-06-30	12.9
2007-09-30	12.8
2007-12-31	8.3
2008-03-31	7.2
2008-06-30	11.9
2008-09-30	9
2008-12-31	1.1
2009-03-31	-2.9
2009-06-30	-3.3
2009-09-30	-3.4
2009-12-31	-1.5
2010-03-31	-0.6
2010-06-30	-2.6
2010-09-30	-5
2010-12-31	-4.6
2011-03-31	-2.4
2011-06-30	-2.7
2011-09-30	-1.6
2011-12-31	-1.3
2012-03-31	-5.4
2012-06-30	-6.2
2012-09-30	-5.5
2012-12-31	-4.1
2013-03-31	-2.6
2013-06-30	-5.2
2013-09-30	-6.2
2013-12-31	-6.9
2014-03-31	-5.9
2014-06-30	-3.6
2014-09-30	-2.9
2014-12-31	-2.9
2015-03-31	-4
2015-06-30	-2.5
2015-09-30	-1.4
2015-12-31	-0.3
2016-03-31	-0.2
2016-06-30	-2.7
2016-09-30	-4
2016-12-31	-2.8
2017-03-31	-2.4
2017-06-30	-4.2
2017-09-30	-4.1
2017-12-31	-4.4
2018-03-31	-3.7
2018-06-30	-1.6
2018-09-30	-2.9
2018-12-31	-3.9
2019-03-31	-3.4
2019-06-30	-3.9
2019-09-30	-3.8
2019-12-31	-3.6
2020-03-31	-3.2
2020-06-30	36.1
2020-09-30	54.6
2020-12-31	19
2021-03-31	6.3
2021-06-30	-3.8
2021-09-30	-7.9
2021-12-31	-8.1
2022-03-31	-8.3
2022-06-30	-10.7
2022-09-30	-11.2
2022-12-31	-10.6
2023-03-31	-11
2023-06-30	-9.7
2023-09-30	-8.7
2023-12-31	-8.5